4040042535 has 32 divisors (see below), whose sum is σ = 7228082880. Its totient is φ = 2140953984.

The previous prime is 4040042477. The next prime is 4040042569. The reversal of 4040042535 is 5352400404.

4040042535 is a `hidden beast` number, since 4 + 0 + 400 + 4 + 253 + 5 = 666.

It is not a de Polignac number, because 4040042535 - 2¹⁶ = 4039976999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4040042499 and 4040042508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74112 + ... + 116501.

It is an arithmetic number, because the mean of its divisors is an integer number (225877590).

Almost surely, 2^4040042535 is an apocalyptic number.

4040042535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4040042535 is a deficient number, since it is larger than the sum of its proper divisors (3188040345).

4040042535 is a wasteful number, since it uses less digits than its factorization.

4040042535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190784 (or 190778 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 4040042535 is about 63561.3289272652. The cubic root of 4040042535 is about 1592.6804378122.

Adding to 4040042535 its reverse (5352400404), we get a palindrome (9392442939).

The spelling of 4040042535 in words is "four billion, forty million, forty-two thousand, five hundred thirty-five".